Use ModifyHosts with an AWS SDK or CLI

The following code examples show how to use ModifyHosts.

CLI

AWS CLI

Example 1: To enable auto-placement for a Dedicated Host

The following modify-hosts example enables auto-placement for a Dedicated Host so that it accepts any untargeted instance launches that match its instance type configuration.

aws ec2 modify-hosts \
    --host-id h-06c2f189b4EXAMPLE \
    --auto-placement on

Output:

{
    "Successful": [
        "h-06c2f189b4EXAMPLE"
    ],
    "Unsuccessful": []
}

Example 2: To enable host recovery for a Dedicated Host

The following modify-hosts example enables host recovery for the specified Dedicated Host.

aws ec2 modify-hosts \
    --host-id h-06c2f189b4EXAMPLE \
    --host-recovery on

Output:

{
    "Successful": [
        "h-06c2f189b4EXAMPLE"
    ],
    "Unsuccessful": []
}

For more information, see Modifying Dedicated Host Auto-Placement in the Amazon Elastic Compute Cloud User Guide for Linux Instances.

• For API details, see ModifyHosts in AWS CLI Command Reference.

PowerShell

Tools for PowerShell

Example 1: This example modifies the AutoPlacement settings to off for the dedicated host h-01e23f4cd567890f3

Edit-EC2Host -HostId h-03e09f8cd681609f3 -AutoPlacement off

Output:

Successful            Unsuccessful
----------            ------------
{h-01e23f4cd567890f3} {}

• For API details, see ModifyHosts in AWS Tools for PowerShell Cmdlet Reference.

For a complete list of AWS SDK developer guides and code examples, see Create Amazon EC2 resources using an AWS SDK. This topic also includes information about getting started and details about previous SDK versions.